Actinium mungsuh polonium
Tabel périodik
Symbol
Ac
Po
Panggil Group
ora Sumadhiya
16
2
Panggil periode
7
6
Block
pemblokiran f
p pemblokiran
Family unsur
actinide
Transisi Post-
CAS Number
7440348
99+
7440086
99+
Jeneng papan Group
Fm_ 3M
Pm-3M
Space Group Number
225.00
2
221.00
3
facts
Facts Interesting
ora Cepak
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Dijupuk dening Nambani Radium karo Neutron, Ores logam
Mining, Ores logam
History
sing katutup
Friedrich Oskar Giesel
Pierre Curie and Marie Curie
Discovery
ing taun 1902
ing taun 1898
turah mbrawah
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- metal Actinium wis sumber sinar alfa nanging ora dienggo njaba riset waé.
- Polonium logam allotropes beda, kang digunakake ing piranti antistatic lan kanggo riset waé.
- A 1 gram saka Polonium bisa tekan suhu 500 ° C, Empu kang digunakake minangka sumber panas kanggo peralatan papan.
Ulah Industrial
NA
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
Highly Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
36
0.00 ppm
36
fisik Properties
leleh Point
1,227.00 ° C
38
254.00 ° C
99+
Boiling Point
3,200.00 ° C
26
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
NA
NA
atose
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
Properties Optical
allotropes
Ora
Ya
α allotropes
ora Sumadhiya
α-polonium
β allotropes
ora Sumadhiya
β-polonium
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Ac
Po
isotop
Isotop dikenal
29
10
29
10
keelektronegatifan
Pauling Elektronegativitas
1.10
99+
2.00
7
Allred Rochow Elektronegativitas
1.00
36
1.76
2
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.48
1
Allen Elektronegativitas
ora Sumadhiya
2.19
2
Electropositivity
Pauling Electropositivity
2.90
10
2.00
99+
tenogo ionisasi
Level Energy 1st
499.00 kJ / mol
99+
812.10 kJ / mol
14
Level Energy 2
1,170.00 kJ / mol
99+
ora Sumadhiya
Level Energy 3rd
1,900.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
4,700.00 kJ / mol
23
ora Sumadhiya
padha karo elektrokimia
2.82 g / amp-day
18
3.90 g / amp-day
8
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
89
29
84
32
Konfigurasi elektron
[Rn] 6D 1 7s 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Face tengah kubik (FCC)
Pénguapan (Mon)
Crystal pola
FCC-Crystal-Structure-of-Actinium.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
89
29
84
32
Jumlah Neutron
138
16
125
19
Jumlah Èlèktron
89
29
84
32
Radius saka Atom
Radius atom
195.00 pm
7
168.00 pm
23
kovalen Radius
ora Sumadhiya
140.00 pm
99+
Van der Waals Radius
ora Sumadhiya
197.00 pm
29
Bobot atom
227.00 Amu
25
209.00 Amu
28
Volume atom
22.54 cm3 / mol
11
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
38.60 (-eV)
99+
ora Sumadhiya
Constant pola
567.00 pm
8
335.90 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
10.00 g / cm 3
37
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
9.40 g / cm3
19
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
10.07
28
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
ora Sumadhiya
0.40 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.02 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.12 J / (kg K)
40
Graham Kapasitas kalor
27.20 J / mol · K
18
26.40 J / mol · K
28
doyo termal
12.00 W / m · K
99+
20.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
ora Sumadhiya
60.30 kJ / mol
99+
Enthalpy saka Fusion
ora Sumadhiya
13.00 kJ / mol
26
Enthalpy saka atomization
301.00 kJ / mol
36
134.00 kJ / mol
99+
Standard molar Entropy
56.50 J / mol.K
25
ora Sumadhiya
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